update cosmpy dependency to version 0.5

[solarw]

Proposed changes

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Fixes

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Types of changes

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• [ ] Bugfix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

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• [ ] I have read the CONTRIBUTING doc
• [ ] I am making a pull request against the develop branch (left side). Also you should start your branch off our develop.
• [ ] Lint and unit tests pass locally with my changes and CI passes too
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have checked that code coverage does not decrease.
• [ ] I have added necessary documentation (if appropriate)
• [ ] Any dependent changes have been merged and published in downstream modules

Further comments

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DELETE INCLUSIVE THIS AND BELOW FOR STANDARD PR

Release summary

Version number: [e.g. 1.0.1]

Release details

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Checklist

Put an x in the boxes that apply.

• [ ] I have read the CONTRIBUTING doc
• [ ] I am making a pull request against the main branch (left side), from develop
• [ ] Lint and unit tests pass locally and in CI
• [ ] I have checked the fingerprint hashes are correct by running (scripts/generate_ipfs_hashes.py)
• [ ] I have regenerated the latest API docs
• [ ] I built the documentation and updated it with the latest changes
• [ ] I have added an item in HISTORY.md for this release
• [ ] I bumped the version number in the aea/__version__.py file.
• [ ] I bumped the version number in every Docker image of the repo and published it. Also, I built and published them with tag latest
  (check the READMEs of aea-develop and aea-user)
• [ ] I have pushed the latest packages to the registry.
• [ ] I have uploaded the latest aea to PyPI.
• [ ] I have uploaded the latest plugins to PyPI.

Further comments

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[codecov-commenter]

Codecov Report

Merging #2744 (4256e5a) into develop (e844426) will decrease coverage by 59.22%. The diff coverage is n/a.

:exclamation: Current head 4256e5a differs from pull request most recent head c501c91. Consider uploading reports for the commit c501c91 to get more accurate results

@@             Coverage Diff              @@
##           develop    #2744       +/-   ##
============================================
- Coverage    97.96%   38.74%   -59.23%     
============================================
  Files          522      522               
  Lines        36498    36498               
============================================
- Hits         35757    14142    -21615     
- Misses         741    22356    +21615     

Flag	Coverage Δ
unittests	38.74% <ø> (-59.23%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
aea/protocols/generator/base.py	4.98% <0.00%> (-95.02%)	:arrow_down:
packages/fetchai/protocols/tac/serialization.py	6.63% <0.00%> (-93.37%)	:arrow_down:
...es/fetchai/protocols/contract_api/serialization.py	7.02% <0.00%> (-92.98%)	:arrow_down:
...ages/fetchai/protocols/ledger_api/serialization.py	7.42% <0.00%> (-92.58%)	:arrow_down:
packages/fetchai/protocols/fipa/serialization.py	12.38% <0.00%> (-87.62%)	:arrow_down:
...ages/fetchai/protocols/prometheus/serialization.py	12.50% <0.00%> (-87.50%)	:arrow_down:
...ages/fetchai/protocols/oef_search/serialization.py	13.13% <0.00%> (-86.87%)	:arrow_down:
packages/fetchai/protocols/gym/serialization.py	13.26% <0.00%> (-86.74%)	:arrow_down:
...ackages/fetchai/protocols/signing/serialization.py	13.68% <0.00%> (-86.32%)	:arrow_down:
packages/fetchai/protocols/http/serialization.py	13.79% <0.00%> (-86.21%)	:arrow_down:
... and 350 more

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